263 results about "Radiative heating" patented technology

Provided herein are various apparatuses and systems for providing edge heating of semiconductor wafers using optical means. Such systems may direct radiant energy towards the edge region of a semiconductor wafer.

The invention discloses vacuum brazing equipment and method for a plate-fin heat exchanger, relates to the field of welding, and aims to solve the problems of low heating efficiency and difficulty in deformation control caused by structural characteristics of the plate-fin heat exchanger and characteristics of vacuum radiation heating at present. Structures such as a hydraulic control system, an upper water-cooling sealing conductive pressure head, a lower conductive base and a tool are added on the basis of traditional vacuum brazing equipment, the structures are compounded with a furnace pipe, an upper electrode of the upper water-cooling sealing conductive pressure head is of a distributed structure and can move up and down through the hydraulic control system, and the upper electrode of the lower water-cooling sealing conductive pressure head can move up and down through the tool. And by matching with a tool, a workpiece can be always stressed uniformly, and continuous and stable self-resistance extremely-fast heat generation electrifying can be ensured. Double-feedback series control is adopted to achieve double-heat-source heating, the heating process time is shortened, a pressure-temperature coupling control method is adopted, it is ensured that stress is uniform, deformation is reduced, and the heating efficiency and the welding quality consistency are improved. And rapid and uniform heating and small deformation control of the workpiece can be realized.

The invention provides a production process for stably controlling adhesive force of a DP steel zinc layer. The production process comprises the following steps: step 1, setting a heating section 1, a heating section 2 and a furnace nose section in a total radiation heating annealing furnace; 2, according to the model and thickness of DP steel, target dew points of a first heating section, a second heating section and a furnace nose section are set; 3, according to the target dew points set in the first heating section, the second heating section and the furnace nose section in the step 2, water vapor is put into the protective gas for humidification, and the water vapor reacts with Si, Mn and Cr elements enriched on the surface of the steel plate to generate volatile oxides; the dew point of the annealing furnace is precisely controlled in a segmented mode, different humidification modes are adopted, and the surface state is controlled, so that surface oxide residues are reduced, cleanliness of a steel substrate is guaranteed, and the binding force of a zinc layer is improved; the iron oxide layer formed on the surface of the steel plate enters a reducing atmosphere annealing furnace containing hydrogen, the hydrogen can reduce the iron oxide layer on the surface of the steel plate to form a reduced iron layer, and the adhesive force of a zinc layer is improved.

The invention relates to manufacturing equipment and a manufacturing method of a micro-channel heat exchanger core, and belongs to the technical field of micro-channel heat exchangers. The manufacturing method comprises the steps that a plurality of runners are formed in the surfaces of core plates, the core plates are stacked to form a core body, the core body is placed in diffusion welding equipment, pre-tightening pressure is applied to the core body, and a furnace body of the diffusion welding equipment is vacuumized; the furnace body is vacuumized, heated and subjected to heat preservation, meanwhile, inert gas is introduced into all the flow channels of the core body, and the temperature of the inert gas is gradually increased; after the temperature rises to a preset temperature, inert gas in the furnace body is pumped out, a radiation heating method is adopted for continuous heating, welding pressure is applied to the core body, and welding is completed; and inert gas is introduced into the furnace body for cooling, and meanwhile inert gas is introduced into each flow channel of the core body for step-by-step cooling. Therefore, the heating and cooling time of the heat exchanger core body can be shortened, the welding efficiency is improved, and the intergranular sensitization tendency of materials is improved.

To improve the heating efficiency of an induction heating apparatus for long metal objects traveling in a straight line.SOLUTION: A device that inductively heats a material moving in a straight line to approximately 1000°C by surrounding it. The structure of a solenoid-type induction coil has been changed from a conventional copper tube to a CC composite tube or graphite tube with a spiral groove to form a coil, eliminating water cooling. Radiation heating from a resistance heating coil is added to the induction heating of the material to be heated, improving heating capacity and heating efficiency. The coil's conductor cross-sectional area and coil pitch are gradually increased from the inlet side to the outlet side, distributing heating capacity predominantly to the upstream side and expanding the effective length of the coil. Radiation heating becomes effective by increasing the temperature of the coil (2000°C) and increasing the heating time (more than double). Abnormal temperature rise (2600°C) on the coil outlet side is avoided, and the refractory is durable.SELECTED DRAWING: Figure 1

Window / cooling plate assemblies for use with illumination-based radiative heating systems for semiconductor wafer processing tools are provided. Such assemblies may have a window and a cooling plate that are placed adjacent each other; one or more cooling passages may be located within one or both of the window and the cooling plate. The window and cooling plate may be optically transparent to at least some visible light and the window additionally optically transparent to at least some infrared light.

The invention discloses a forging and heat treatment process for a single-row tapered roller bearing ring. Raw materials are sequentially subjected to cutting, forging, annealing, turning and heat treatment, and then the single-row tapered roller bearing ring is obtained. The hot-rolled polished bar is used as the raw material, so that the surface smoothness of the bar is ensured, no crack occurs during forging, and the yield of the material is improved; a secondary heating process is adopted after forging, it is guaranteed that the forge piece is in a reasonable temperature interval during rolling expansion, the phenomenon of rolling expansion cracks does not occur, and the product quality of the forge piece is guaranteed; the ash cooling process is adopted to replace slow cooling along with a furnace in an electric furnace, the process method is simple, practical and low in cost, and electric energy is saved on the premise that the quality of the forge piece is guaranteed; three-time preheating is adopted. The vacuum heating and heat conduction mode is radiation heating, and a repeated preheating mode is adopted, so that the ferrule in the furnace can be uniformly heated, the heating temperature is slowly increased, thermal stress in the ferrule can be reduced, and the quality of the quenched ferrule is ensured.

The utility model discloses a tunnel vacuum drying system which comprises a vacuum system and a drying system. The drying system comprises a drying assembly used for drying the workpieces based on radiation heating and a conveying assembly used for conveying the workpieces into the drying assembly to be dried and then conveying the workpieces out. Wherein the drying system performs multidirectional drying treatment on workpieces in a heating and vacuumizing mode, so that the drying time is shortened; in addition, the workpieces can move in the drying cavity in the drying process, heating is more uniform, the risk that the local temperature of the workpieces is too high is reduced, the drying efficiency is improved, energy consumption and production cost are reduced, and meanwhile the yield of the workpieces is improved; in addition, the multiple drying cavities are vertically stacked, the height of the conveying assembly is adjusted by arranging the lifting mechanism, the overall equipment length of the tunnel vacuum drying system can be reduced, and the occupied area of the equipment is saved.

Systems and methods for autonomous extraction of volatile minerals from extraterrestrial regolith are disclosed. A rover tows a mineral-collection wagon that mechanically prepares surface regolith and positions a detachable collector shield over a target area. When lowered, the shield rim seals against the regolith to define a localized, low-leakage environment. A radiant heating element raises the regolith to vaporization temperature; released species migrate to the shield's inner surface, which is cryogenically or ambiently cooled to condense solids as a removable film. After a heating / collection cycle, the shield is decoupled for retrieval and processing while the wagon immediately accepts a replacement shield, enabling continuous, modular operation. Embodiments support guided alignment, power coupling, optional daisy-chained wagons, and reciprocating or continuous motion to increase throughput on lunar or similar vacuum surfaces.

The invention relates to a drainage type heating plate suitable for tunnel ice melting. The drainage type heating plate is characterized by comprising a radiation heating plate and a drainage plate, the radiation heating plate and the drainage plate are fixed together through screws and are mounted on the tunnel wall, so that the radiation surface of the radiation heating plate faces upwards or outwards; a flow guide hole is formed in the radiation heating plate, a flow guide plate is mounted below the radiation heating plate, and water after ice melting is guided to one side by the flow guide plate; the radiation heating plate is a carbon fiber radiation heating plate or a nichrome radiation heating plate. The drainage type heating plate which is good in heating effect and suitable for tunnel ice melting overcomes the defect that the heating effect is poor due to the fact that the wall surface is uneven, and secondary disasters caused by the fact that water flows to a pull wire or a steel rail are prevented.

The invention discloses a heating furnace capable of assisting in scraping, and relates to the technical field of heating furnaces, the heating furnace comprises a furnace body and a scraping mechanism, and a radiation heating pipe is mounted in the furnace body. According to the heating furnace capable of feeding the workpiece to the top of the rotating plate, enabling the bottom of the workpiece to make contact with the partition plate and then assisting in scraping, the workpiece is limited through the fixing mechanism and prevented from moving, after fixing is completed, the door plate can be pushed to drive the workpiece to enter the furnace body to be heated, and the motor is started to drive the rotating plate to rotate; after heating is completed, oxide scales on the surface of the workpiece in the furnace body need to be scraped, by starting a hydraulic rod a and a hydraulic rod b, the hydraulic rod a can drive a scraper a to move to the top of the workpiece, a connecting box can drive a scraping mechanism to move to the outer side of the workpiece, and when the workpiece rotates, the top of the workpiece makes contact with the scraper a; and the outer side is in contact with the scraping plate b, so that the oxide scale on the surface of the workpiece is completely scraped.

The utility model relates to a food storage and heat preservation cabinet and an arrangement structure of a plurality of food storage and heat preservation cabinets. The food preservation and heat preservation cabinet is provided with a humidity management system operated by a user. The food preservation and heat preservation cabinet is provided with a hybrid heating system, and the hybrid heating system is provided with a hot air convection heating component and a radiation heating component. The humidity management system enables a user to manually control introduction of moisture into the cabinet storage environment or reduction or reduction of humidity within the cabinet storage environment.

The plate heating equipment comprises a first heating cabinet and a second heating cabinet, the first heating cabinet comprises a cabinet body and a radiation heating assembly arranged in the cabinet body, the radiation heating assembly comprises a plurality of radiation heating parts, and the radiation heating surfaces of the radiation heating parts face a first cabinet opening of the first heating cabinet; the second heating cabinet and the first heating cabinet are the same in structure, the orientation of a second cabinet opening is opposite to the orientation of a first cabinet opening, and a plate heating gap is formed between the second heating cabinet and the first heating cabinet; and the plurality of radiation heating parts are provided with independently controlled temperature control devices. According to the plate heating equipment, the plurality of radiation heating parts are arranged in a dispersed manner and are provided with the independently controlled temperature control devices, so that each radiation heating part can independently control the temperature, the partition temperature control of the plate heating equipment is realized, the temperature control is more accurate, the production cost is reduced, and the production efficiency is improved. And heating of plates with different sizes can be matched through partition control.

A converted gas-fired furnace includes at least one lower radiant heating zone, an upper convective heating zone, electric ceramic fiber heaters, and duct heaters. The lower radiant heating zone includes a plurality of lower tubes configured to carry a fluid to be heated. The upper convective heating zone includes a plurality of upper tubes configured to carry the fluid to be heated. The electric ceramic fiber heaters are disposed within the lower radiant heating zone and are configured to heat the fluid in the lower tubes. The duct heaters are configured to heat the fluid in the upper tubes.

The utility model discloses electrothermal film radiation heating water storage heat supply equipment, which comprises a water storage tank, a first electrothermal film, a heat conduction part, a controller and temperature sensors, the heat conduction part is arranged at the bottom of the water storage tank, the first electrothermal film is fixedly connected with the heat conduction part, and the temperature sensors are arranged at different height positions in the water storage tank. The controller is connected with the first electric heating film and the temperature sensor, the temperature sensor collects temperature signals of different heights and transmits the temperature signals to the controller, the controller adaptively adjusts the heating power of the first electric heating film based on the temperature signals, and the water heating efficiency is improved through the heat conduction effect of the heat conduction component; the electric heating film and the heat conduction component are arranged at the bottom of the water storage tank, so that the heating area is greatly increased, the heating efficiency is improved, and the heating time is shortened.

The invention provides circulating convection heating type glass tempering equipment, and relates to the technical field of glass tempering equipment, the circulating convection heating type glass tempering equipment comprises a main heating tempering box body, a rear sealing plate frame, a front sealing plate frame and a conveying frame, the rear side of the main heating tempering box body is in sliding connection with the rear sealing plate frame in the vertical direction, and the front sealing plate frame is in sliding connection with the conveying frame; a front sealing plate frame is slidably connected to the front side of the main heating tempering box body in the vertical direction, side U-shaped air ducts are arranged at the upper part and the lower part of the main heating tempering box body, upper circulating fans are arranged at the top and the bottom of the main heating tempering box body, upper air outlets are formed in the upper parts of the side U-shaped air ducts at the upper part of the main heating tempering box body in a penetrating manner, and lower air outlets are formed in the lower parts of the side U-shaped air ducts at the upper part of the main heating tempering box body; lower air inlets are formed in the two sides of the side U-shaped air channel. The upper and lower circulating fans drive airflow to contact the upper and lower surfaces of the glass, so that the upper and lower surfaces of the glass are uniformly heated, the temperature uniformity of the surface of the glass is improved, and the problem of large temperature difference between the upper and lower surfaces of the glass caused by a single-side radiation heating or single-direction convection heating mode of existing glass toughening equipment is solved.

The utility model discloses a heating device of a hot melting compound machine, which comprises a bottom box and a heating cabinet fixedly arranged on the bottom box, a heating tray is fixedly arranged in the heating cabinet, and hot melt adhesive is arranged in the heating tray. According to the utility model, the resistance heating of the resistance heating tube and the infrared heating of the carbon fiber infrared heating lamp tube are combined to heat the hot melt adhesive, so that the combined heating mode can greatly improve the heating speed and the heating uniformity; in the heating process, the carbon fiber infrared heating lamp tube can uniformly radiate and heat the hot melt adhesive material front and back from the upper part; meanwhile, the resistance heating pipe can uniformly heat the bottom of a hot melt adhesive material during left-right movement, so that the problem that the hot melt adhesive material is heated unevenly due to the fact that an existing heating device of the hot melt compound machine is fixedly arranged is solved, the overall heating speed and effect are guaranteed, and the heating efficiency is improved. And the smooth use during subsequent compounding is greatly ensured.

A heating control device for tunnel ice melting is characterized by comprising a remote monitoring center (1), a wireless communication module (2), a power distribution control cabinet (3), a heating control box (4) in a tunnel, a drainage type radiation heating plate (5), a heating plate temperature sensor (6), an environment temperature sensor (7) and a load power supply working towards the drainage type radiation heating plate (5). The remote monitoring center (1) is electrically connected with the power distribution control cabinet (3) and the heating control box (4) in the tunnel through the wireless communication module (2) in a wireless network mode. The load power supply is in power electric connection with the in-tunnel heating control box (4) through the power distribution control cabinet (3), and the in-tunnel heating control box (4) is in power electric connection with the drainage type radiation heating plate (5). According to the heating control device for tunnel ice melting, the functions of remote monitoring, local control, automatic control, temperature monitoring, single-point isolation and the like can be achieved, field maintenance is facilitated, and personnel safety is guaranteed.

The invention relates to a furnace (10) for heating and / or processing at least one feed selected from a hydrocarbon, oxygenated, NH3, H2O, CO2, and H2 feed, said furnace comprising a chamber (12), at least one inlet (14) for the feed, a bundle of tubes (16) arranged inside the chamber and connected to the inlet (14), and a plurality of radiant heating tubes (20) located inside the chamber (12). The furnace (10) further comprises at least one oxidizer supply (100), at least one fuel supply (101), and at least one power supply (102). Each radiant heating tube (20) is capable of operating in combustion mode, in electrical mode, or both, and for this purpose comprises at least one burner and at least one electric heating element. (Shorthand figure: Fig. 1)

The utility model relates to silicon wafer drying equipment and a silicon wafer processing production line. The silicon wafer drying equipment comprises a sealing box, a radiation heating device and a flower basket which are distributed in an inner cavity of the sealing box, and a vacuum system communicated with the inner cavity of the sealing box, each flower basket corresponds to at least one group of radiation heating devices, and the silicon wafers extend along the vertical direction, are arranged at intervals and are inserted into the corresponding flower baskets in parallel; the vacuum system comprises a negative pressure part and a negative pressure pump which are communicated with each other, and the negative pressure part is connected to the inner wall of the sealing box so as to pump away air in the inner cavity of the sealing box. In this way, the flowing process of the gas hardly affects the silicon wafer, vibration generated in the vacuumizing process can be avoided, and the silicon wafer is further prevented from being damaged.

A processing apparatus for a thermal treatment of a workpiece is presented. The processing apparatus includes a processing chamber, a workpiece support disposed within the processing chamber, a rotation system configured to rotate the workpiece support, a gas delivery system configured to flow one or more process gases into the processing chamber from the a first side of the processing chamber, one or more gas exhaust ports for removing gas from the processing chamber such that a vacuum pressure can be maintained, one or more radiative heating sources disposed on the second side of the processing chamber, one or more dielectric windows disposed between the workpiece support and the one or more radiative heating sources, and a workpiece temperature measurement system configured at a temperature measurement wavelength range to obtain a measurement indicative of a temperature of a back side of the workpiece.

This invention relates to the field of industrial heating equipment technology, specifically to a high-temperature oven system and its control method that integrates radiant heating and forced-air heating. A bottom heating tube is installed in the working chamber formed by the inner shell, and left and right heating tubes are installed in the air ducts on both sides, forming a heating component that integrates radiant and forced-air functions. A circulating air duct assembly, consisting of a circulating fan, a perforated air duct plate, and outlet / return air ducts, achieves forced circulation of hot air. During the heating phase, all heating tubes are activated for radiant heating to achieve rapid temperature rise. During the constant-temperature phase, the heating tube power is reduced, and the system relies on the circulating fan to drive airflow through the heating tubes in the air duct for circulating heating to maintain temperature uniformity. This effectively balances rapid heating and temperature uniformity, overcoming the inherent defects of a single heating method.

A sterilization indicator reading apparatus is provided. The reading apparatus includes a housing including a top portion defining an aperture therethrough. The aperture is dimensioned to at least partially receive a sterilization indicator therethrough, such that the sterilization indicator is at least partially received within the housing. The reading apparatus further includes a heating coil disposed within the housing. Upon insertion of the sterilization indicator within the housing through the aperture, the heating coil is spaced apart from the sterilization indicator. The heating coil is configured to radiatively heat the sterilization indicator. The reading apparatus further includes an air supply unit disposed within the housing and configured to selectively supply air to the heating coil.

The application discloses an aerosol generating device. The aerosol generating device of the application includes a laser heater and a controller. The laser heater is configured to radiate and heat an aerosol generating substrate. The controller is configured to adjust the output energy of the laser heater according to the working condition of the laser heater within a puffing period. The aerosol generating device of the application radiates and heats the aerosol generating substrate by the laser heater. The laser heating technology has the characteristics of high energy density and fast power response speed, and can quickly radiate energy to the aerosol generating substrate without preheating the heating body, thereby quickly generating aerosol, without long waiting time for the user, and good user experience. Further, within the puffing period, the controller adjusts the output energy of the laser heater according to the working condition of the laser heater, so that the aerosol released by each puff has good consistency.

A radiant heating device comprises a flat support with an edge region, at least one elongated heating element on the support, and a temperature sensor in the edge region connected to a control unit and a power supply for the radiant heating device. In a method for operating this radiant heating device, the temperature sensor detects the temperature and transmits it to the control unit, which receives operating information from the power supply for the radiant heating device regarding the operating mode, duration, and power level. The control unit stores temperature values ​​as a function of the operating mode, duration, and power level during operation of the radiant heating device. By using both the measured temperature at the temperature sensor and the stored values, the control unit determines the temperature at a defined point within the radiant heating device.

The application discloses a method for preparing oxide eutectic ceramics by using an ultrafast high-temperature furnace. Raw material powders are proportioned according to eutectic composition, and then are sequentially subjected to ball milling, drying, sieving and compression molding; the green body is placed in a thin-wall graphite crucible and is put into a heating carbon felt element sandwich hole; the temperature is rapidly increased to a set temperature by using ultrafast heating, and the temperature is kept for a very short time, and then the oxide eutectic ceramics are obtained after cooling. The oxide eutectic ceramics are rapidly formed by using ultrafast heating and Joule heat radiation heating at a furnace temperature far below the eutectic temperature, and the microstructure of the eutectic ceramics can be controlled by adjusting the temperature parameters. The eutectic structure obtained is fine in size and excellent in mechanical properties; and the problems of long time consumption, high cost and complex block material preparation process in the existing oxide eutectic ceramic preparation method are solved.

The invention discloses a real-time high-temperature high-pressure true triaxial microwave-assisted fracturing experiment system which comprises a supporting frame, and a high-temperature stress reaction kettle, a heating and temperature control module, a microwave radiation module, a loading module, a pump injection module, a monitoring module and a water circulation cooling module which are arranged on the supporting frame, the modules can be combined to meet the experimental conditions of a high-temperature and high-pressure microwave heating assisted fracturing physical simulation experiment. The heating and temperature control module can heat a test piece to simulate the temperature of an underground reservoir, the microwave radiation module can perform radiation heating on the test piece, the loading module can apply non-uniform ground stress to the test piece, and the pump injection module can perform physical simulation of fracturing on the test piece, that is, high-pressure fluid is utilized to promote internal cracks of the rock sample test piece to expand; and the detection module detects the rules of fracture, fracture and crack expansion of the rock test piece through an optical detection method.

A solar heat powerplant comprising: a first heat reservoir which is a cold reservoir (3), a second heat reservoir which is a hot reservoir (1), at least one heat exchanger (5) adapted for radiative dry cooling of the cold reservoir (3) and / or for radiative heating of the hot reservoir (1) by absorbing solar irradiation, and a power generator (8) which operates by extracting heat from the hot reservoir (1) and transferring residual heat into the cold reservoir (3).

The utility model discloses a marine sanitary unit heating base, which relates to the technical field of marine sanitary units and comprises a base body, an extension seat is fixedly arranged on one side of the upper surface of the base body, an air inlet cover is fixedly arranged at the top end of the extension seat, a cavity is arranged in the base body, and a heat exchange tube is fixedly arranged in the cavity. The base body is arranged, the extending base and the air inlet cover are arranged on the edge of the upper surface of the base body, the extending base and the air inlet cover can communicate with the cavity in the base body, the heat exchange pipe is arranged in the cavity, radiation heating of the base body can be achieved through the heat exchange pipe, and heat exchange efficiency is improved. And circulating air passing through the extending seat and the air inlet cover can be heated, the heated circulating air can be discharged through the exhaust pipe on the upper surface of the base body, the heat supply effect is achieved while air circulation in the sanitary unit is achieved, and the problem that water is likely to be accumulated on the ground when heat is supplied through ground heat radiation in a traditional technical scheme is solved.

There is provided a pizza oven (100, 300, 500, 700) comprising: a controller (145); a cooking chamber (105) comprising a cooking support (115) configured to support a pizza whilst cooking; a first heating component (125) configured to heat the upper surface of the cooking support (115) by radiation; a second heating component (130) configured to heat the cooking support (115); a pizza presence detector (140) configured to detect whether there is a pizza on the cooking support (115); and wherein the controller (145) is configured to operate at least one of the first and second heating components (125, 130), in accordance with, at different times: a default mode, and a cooking mode, the operation of which depends on the detection of a pizza on the cooking support (115) by the pizza presence detector (140). A corresponding method of operating a pizza oven is also provided.